return {
  mode = wifi.STATION, -- wifi.STATION, wifi.SOFTAP, wifi.STATIONAP
  sta_conf = {
    ssid = 'Uso P40', 
    pwd = '46369a3f5db7', 
    auto = true, 
    save = true, 
    connected_cb = nil, -- function (SSID, BSSID, channel)
    connected_cb = nil, -- function (SSID, BSSID, reason)
    got_ip_cb = nil, -- function (IP, netmask, gateway)
    dhcp_timeout_cb = nil -- function ()
  },
  ap_conf = {
    ssid = 'UsoNodeMcu', 
    pwd = '12345678', 
    auth = wifi.OPEN, -- wifi.OPEN/wifi.WPA_PSK/wifi.WPA2_PSK/wifi.WPA_WPA2_PSK
    max = 4, -- 1-4
    channel = 6, -- 1-14
    hidden = false,
    save = true
  }
}
